Home / 86,500.20-129,462.30-62,740.20

Finding the Fourth Proportional to 86,500.20, 129,462.30 and 62,740.20

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Solution

The fourth proportional to 86,500.20, 129,462.30 and 62,740.20 is: 93,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,500.20 : 129,462.30 = 62,740.20 : x
  2. Step 2: Convert to fraction form
    86,500.20/129,462.30 = 62,740.20/x
  3. Step 3: Cross multiply
    86,500.20x = 129,462.30 × 62,740.20
  4. Step 4: Simplify right side
    86,500.20x = 8,122,490,594.46
  5. Step 5: Solve for x
    x = 8,122,490,594.46/86,500.20
  6. Step 6: Final answer
    x = 93,901.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.